Vacuum housing



FIG. 1 is a rear view of a vacuum housing showing our new design;

FIG. 2 is a right side view thereof, the left side being a mirror image;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a top view thereof.

The details shown in broken lines form no part of the claimed design. 

We claim the ornamental design for a vacuum housing, as shown and described. 